Article
Engineering, Multidisciplinary
Magdy M. Zaky, Said Haggag, Waleed Abd el Bar, T. Mongy
Summary: This paper introduces the applications of neutron radiography and tomography in research reactors to improve maintenance and aging management programs. The techniques successfully inspect and test safety-related components, predict damage and aging of systems, as well as monitor equipment efficiency and maintenance procedures.
ALEXANDRIA ENGINEERING JOURNAL
(2022)
Article
Construction & Building Technology
Alper Ozmen, Erkut Sayin
Summary: In order to prevent earthquake damage to historical masonry structures, accurate information on their material properties is important for reliable computational modelling and strengthening intervention programs. This study compared destructive and non-destructive techniques used to evaluate the original and restoration stones of Tas,horan Church in Malatya, Turkey, presenting the test results.
CONSTRUCTION AND BUILDING MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Yulong She, Jie Tang, Chaoyang Wang, Zhicheng Wang, Zhengren Huang, Yong Yang
Summary: This paper explains the recent advancements in additive manufacturing techniques for fabricating nanocomposite parts and defect non-destructive testing methods. It provides an overview of AM processes for nanocomposites, categorized by feedstock type. The paper also reviews the defects in nanocomposites that can affect the quality of the final product. Additionally, it offers recommendations for the development of NDT methods specifically tailored for nanocomposites.
Review
Engineering, Industrial
Isaac Segovia Ramirez, Fausto Pedro Garcia Marquez, Mayorkinos Papaelias
Summary: Additive manufacturing, a major advancement in the fourth industrial revolution, involves high-precision material deposition using various techniques to build final parts. Efficient inspection methods, such as Nondestructive Testing, are crucial for ensuring quality control and detecting faults in additive manufacturing. The selection and correct use of Nondestructive Testing techniques depend on factors such as application, manufacturing process, material type, and discontinuities. This article provides a comprehensive review and analysis of the state of the art of Nondestructive Testing in additive manufacturing, highlighting relevant works and challenges faced by each technique. It also explores the use of Machine Learning techniques for defect quantification and analysis in Nondestructive Testing.
JOURNAL OF MANUFACTURING SYSTEMS
(2023)
Article
Chemistry, Physical
Nivedita Kulkarni, Jason I. S. Cho, Rhodri Jervis, Edward P. L. Roberts, Iacoviello Francesco, Matthew D. R. Kok, Paul R. Shearing, Dan J. L. Brett
Summary: This study uses X-ray CT to characterize the compressed MEA and finds that non-uniform compression affects the localized current distribution and water transport in fuel cells. Increased compression has little effect on the performance in the activation region, but significantly affects the performance in the mass transport region, promoting cell flooding.
JOURNAL OF POWER SOURCES
(2022)
Article
Construction & Building Technology
A. Rodrigues, B. Sena da Fonseca, A. P. Ferreira Pinto, S. Picarra, M. F. Montemor
Summary: This study developed TEOS-based solutions modified with PEG for consolidating limestone, showing reduced cracking tendency, ability to provide cohesion, and enhanced cohesion potential. The results indicate the potential of these new products for consolidating carbonate stones with low incompatibility risks.
CONSTRUCTION AND BUILDING MATERIALS
(2021)
Article
Instruments & Instrumentation
T. Chulapakorn, S. Wonglee, W. Pornroongruengchok, T. Liamsuwan, S. Kotayee
Summary: Neutron imaging was used for nondestructive internal inspection at the Thai Research Reactor, with neutron activation analysis employed to determine thermal-neutron flux. Evaluation of image quality parameters showed that adjusting sample shape and collimator aperture size can improve collimation ratio and resolution for neutron imaging.
JOURNAL OF INSTRUMENTATION
(2021)
Article
Chemistry, Physical
Abner Colella, Ilaria Capasso, Fabio Iucolano
Summary: This research focuses on the conservation and protection of two macroporous tuff stones commonly used in the architectural heritage of the Campania region. The study found that the lithium silicate consolidant showed better performance in terms of surface cohesion, strengthening action, and salt resistance.
Article
Chemistry, Analytical
Yueyuan Su, Longjun Dong, Zhongwei Pei
Summary: Damage detection is crucial for maintenance of automated machines. This paper proposes an acoustic emission tomography method that combines the fast sweeping method and the limited-memory Broyden-Fletcher-Goldfarb-Shanno method to detect cavity damage in automated machines. The results show the effectiveness of this new approach in real-time detection of cavity damage in continuous and homogeneous materials.
Article
Chemistry, Multidisciplinary
Robert Bradbury, Nikolay Kardjilov, Georg F. Dewald, Alessandro Tengattini, Lukas Helfen, Wolfgang G. Zeier, Ingo Manke
Summary: The elucidation of lithium ion transport pathways through a solid electrolyte separator is important for the development of all-solid-state batteries. Neutron imaging was performed on an all-solid-state lithium-sulfur battery using an increased Li-6 content in the anode. This allowed for differentiation between the mobile lithium ions diffusing through the cell and those initially located in the solid electrolyte, and demonstrated the lithium ion diffusion through the cell and the distribution of trapped lithium ions in charged and discharged states.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Analytical
William Chuirazzi, Joshua Kane, Aaron Craft, Jason Schulthess
Summary: This study explores the process of combining different images together, specifically applied to neutron tomography of nuclear fuel for enhanced information. By combining different reconstruction methods, noise and ring artifacts can be reduced while maintaining sharp edges in the images. Discussions on technique enhancements and future applications for the neutron imaging community are also included.
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
(2022)
Article
Materials Science, Ceramics
Carmen Salazar-Hernandez, Maria Jesus Puy-Alquiza, Raul Miranda-Aviles, Mercedes Salazar-Hernandez, Juan Manuel Mendoza-Miranda, Cristina Daniela Mocada-Sanchez, Julio del Angel-Soto
Summary: The synthesis and evaluation of four different consolidants for adobe buildings conservation have shown that combining colloidal silica with TEOS and PDMS can greatly improve the porosity and flexibility of the TEOS gel, resulting in an excellent treatment for adobe materials.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
(2021)
Article
Instruments & Instrumentation
B. A. Abdurakhimov, M. Yu Tashmetov, B. S. Yuldashev, S. E. Kichanov, E. Lukin, D. P. Kozlenko, S. A. Kulikov, V. N. Shvetsov, N. B. Ismatov, A. R. Saidov, A. B. Normurodov, A. Rutkauskas
Summary: This article describes the new neutron imaging facility constructed at the Institute of Nuclear Physics of the Academy of Sciences of the Republic of Uzbekistan, presenting the design, main parameters, and recent results of neutron radiography and tomography experiments conducted at the facility.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2021)
Article
Multidisciplinary Sciences
Tamer Eljufout, Fadi Alhomaidat
Summary: Natural building stones are widely used in the construction field in the Middle East and Mediterranean areas due to their durability and attractiveness. This study established evaluation models of compressive strength, thermal conductivity, and water absorption of natural building stones using the non-destructive UPV testing technique, finding that UPV values are directly proportional to compressive strength and thermal conductivity of the stones.
ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING
(2021)
Article
Mechanics
Pawel Hlosta, Marcin Nita, Dorota Powala, Waldemar Swiderski
Summary: Terahertz (THz) technology has attracted more interest in recent years due to its unique properties for non-destructive evaluation (NDE). Materials like dielectrics are transparent to THz waves, while conducting materials like metals are opaque. The potential application of THz radiation in detecting defects in composite pyrotechnic materials is being explored.
COMPOSITE STRUCTURES
(2022)
Article
Instruments & Instrumentation
Jinlu Ruan, Liang Chen, Pengxiao Xu, Yapeng Zhang, Xue Du, Hongqiao Yin, Shiyi He, Fangbao Wang, Xun Zhang, Xiaoping Ouyang
Summary: A new SiC detector with a faster time response was developed to improve the temporal response of SiC-HPMTs. The improved SiC-HPMT showed significantly enhanced temporal response compared to the previous SiC-HPMT, and it can accurately measure the time information of fast pulsed radiation fields.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Kevin Nash
Summary: This article discusses the need for extensive upgrades of the LHC detectors, particularly the Outer Tracker, due to the demanding conditions and radiation of the High Luminosity LHC scenario. The design choices, technological approaches, and R&D activities for the Outer Tracker Phase-2 upgrade are highlighted.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
S. A. Wotton
Summary: The hadron particle identification provided by LHCb's RICH system is crucial for the success of the experiment, and it will continue to play a significant role in Upgrade II. To maintain the current excellent particle identification performance, substantial improvements in the precision of measuring the space and time coordinates of detected photons in the RICH and in the resolution of the reconstructed Cherenkov angle are required.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
R. Cardarelli, A. Rocchi, G. Aielli, P. Camarri, A. Di Ciaccio, L. Di Stante, B. Liberti, E. Pastori, L. Pizzimento, G. Proto
Summary: The Resistive Cylindrical Chamber (RCC) is a new generation of gaseous particle detectors that overcome the limitations of Resistive Plate Chambers (RPC) and expand their application range. By transitioning from planar to cylindrical geometry, while maintaining an almost planar electric field, the RCC achieves improved detection efficiency, increased gas pressure, and the possibility of using eco-friendly gases.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Giacomo Volpe
Summary: The ALICE collaboration is proposing a new apparatus, ALICE 3, to investigate the Quark Gluon Plasma (QGP) properties. In this context, conceptual studies for the development of a RICH detector for ALICE 3 are ongoing. The proposed baseline layout is a proximity-focusing RICH, using aerogel as Cherenkov radiator and Silicon Photomultipliers for photon detection. The detector specifications and performance obtained by Monte Carlo simulation are presented, along with the R&D challenges related to the design.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
M. G. Mazarakis, E. Jongewaard, J. Ellsworth
Summary: This report presents experimental data and a step-by-step technique for evaluating the work functions of thermionic cathodes. The experiments were conducted using small-sized thermionic cathodes provided by Spectra-Mat corporation. The cathode electron current emission work function is emphasized as a crucial parameter for selecting cathodes in various applications.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
M. Loyd, A. Khaplanov, V. Sedov, J. Beal, T. Visscher, C. Donahue, C. Montcalm, G. Warren, R. Butz, C. Boone, C. Hart, R. Riedel, Y. Diawara
Summary: Thermal and cold neutron beamlines require detector systems with high efficiency, large active area, and good spatial resolution. This study presents a new design of Anger camera using silicon photomultipliers (SiPMs) instead of photomultiplier tubes (PMTs), offering better resolution, less distortion, and more compactness. The use of SiPMs also enables the camera to be used in strong magnetic fields, providing additional experimental capabilities.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Thomas Neulinger, Hanno Filter, Oliver Zimmer
Summary: This paper describes the mathematical foundation for analyzing vertical time-of-flight (TOF) measurements using ultracold neutrons (UCN). It enables the spectroscopy of UCN with kinetic energies below the neutron optical potential of the detector entrance window. The paper provides general treatment methods and transformation rules for converting vertical TOF spectra into other spectra of interest.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Huynh Dinh Chuong, Nguyen Huynh Duy Khang, Le Thi Ngoc Trang, Nguyen Thi Truc Linh, Truong Thanh Sang, Nguyen Thanh Dat, Hoang Duc Tam
Summary: This paper presents a comparative study of three models, including virtual point detector (VPD), curve fitting (CF), and machine learning (ML), in determining the full-energy peak efficiency (FEPE) of HPGe detector. The study found that the ML model outperforms VPD and CF models in terms of accuracy.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
M. H. Kushoro, M. Angelone, D. Bozzi, G. Gorini, F. La Via, E. Perelli Cippo, M. Pillon, M. Tardocchi, M. Rebai
Summary: This paper presents the characterization of a series of SiC detectors operated with partial polarization, achieving excellent energy resolution and detection characteristics for both alpha particles and neutrons. The results demonstrate the potential of SiC detectors for fast neutron detection in fusion experiments. The limitations and challenges for manufacturing thick SiCs in the future are also discussed.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Deb Sankar Bhattacharya, Andrea Bressan, Chandradoy Chatterjee, Silvia Dalla Torre, Mauro Gregori, Alexander Kiselev, Stefano Levorato, Anna Martin, Saverio Minutoli, Mikhail Osipenko, Richa Rai, Marco Ripani, Fulvio Tessarotto, Triloki Triloki
Summary: In this article, we report on the measurement of the time resolution of an LAPPD prototype using Cherenkov radiation emitted by high energy hadrons. Our approach has demonstrated the capability of measuring time resolutions as fine as 25-30 ps. The measured time resolution for single photoelectrons is about 80 ps r.m.s.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Bharti Rohila, S. R. Abhilash, Diwanshu, Chetan Sharma, Devinder Mehta, Ashok Kumar
Summary: Self-supporting and Au backed Ag-107 targets have been fabricated using a combination of cold rolling and e-beam melting technique. The method is efficient, resulting in targets without significant material loss or major contamination. Various techniques have been used for thickness measurements and characterizations, and one of the fabricated targets has been successfully used in a nuclear physics experiment.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
B. Kronheim, A. Belloni, T. K. Edberg, S. C. Eno, C. Howe, C. Palmer, C. Papageorgakis, M. Paranjpe, S. Sriram
Summary: This paper presents measurements of the relative decrease of light output during irradiation of small plastic scintillator tiles read out by silicon photomultipliers. The study found substantial temporary damage during low-temperature irradiation, regardless of oxygen concentration and wrapping material. The wrapping material had an impact on the relative light loss, with the 3M(TM) Enhanced Specular Reflector Film showing the largest loss. The light loss was less at warmer temperatures and similar to that in standard atmosphere with 3% oxygen concentration. Evidence of a plateau in the radical density was seen for the data at 0 degrees C.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
V. V. Haurylavets, V. K. Ivanov, A. V. Korol, A. V. Solov'yov
Summary: Computational modeling of high-energy electron passage through crystalline media is conducted using relativistic molecular dynamics. The results show good agreement with experimental data, demonstrating the accuracy of the simulations. Minor discrepancies between theory and experiment are discussed.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)
Article
Instruments & Instrumentation
Luca Quaglia, R. Cardarelli, B. Liberti, E. Pastori, G. Proto, L. Pizzimento, A. Rocchi, G. Aielli, P. Camarri, A. Di Ciacco, L. Di Stante, R. Santonico, D. Boscherini, A. Bruni, L. Massa, A. Polini, M. Romano, L. Benussi, S. Bianco, D. Piccolo, G. Saviano, M. Abbrescia, L. Congedo, M. De Serio, G. Galati, G. Pugliese, S. Simone, D. Ramos, P. Salvini, A. Samalan, M. Tytgat, N. Zaganidis, J. Eysermans, A. Ferretti, M. Gagliardi, L. Terlizzi, E. Vercellin, P. Dupieux, B. Joly, S. P. Manen, R. Guida, B. Mandelli, G. Rigoletti, M. Barroso, M. C. Arena, A. Pastore, R. Aly, M. Verzeroli, S. Buontempo
Summary: Resistive Plate Chamber detectors are widely used in current High Energy Physics experiments. However, efforts are being made to find eco-friendly gas alternatives to Tetrafluoroethane. The RPC EcoGas@GIF++ collaboration aims to improve RPC technology, evaluate the performance of RPCs with eco-friendly gas mixtures, and conduct aging tests.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
(2024)